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enc-backup: ask for backup code again

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This commit is contained in:
Vincent Breitmoser
2015-09-25 00:47:46 +02:00
parent d94ebb2269
commit 408c4a896c
6 changed files with 418 additions and 25 deletions
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21
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BackupActivity.java
View File

@@ -18,6 +18,10 @@
package org.sufficientlysecure.keychain.ui;
import android.os.Bundle;
import android.support.v4.app.FragmentManager;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.ui.base.BaseActivity;
@@ -28,7 +32,22 @@ public class BackupActivity extends BaseActivity {
@Override
protected void initLayout() {
setContentView(R.layout.drawer_backup_activity);
setContentView(R.layout.backup_activity);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (savedInstanceState == null) {
BackupCodeDisplayFragment frag = BackupCodeDisplayFragment.newInstance();
FragmentManager fragMan = getSupportFragmentManager();
fragMan.beginTransaction()
.setCustomAnimations(0, 0)
.replace(R.id.content_frame, frag)
.commit();
}
}
}

31
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BackupCodeDisplayFragment.java
View File

@@ -27,6 +27,7 @@ import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;
@@ -43,6 +44,10 @@ public class BackupCodeDisplayFragment extends Fragment {
private TextView vBackupCode;
private Button vOkButton;
public static BackupCodeDisplayFragment newInstance() {
return new BackupCodeDisplayFragment();
}
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
@@ -50,7 +55,7 @@ public class BackupCodeDisplayFragment extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.drawer_backup_fragment, container, false);
View view = inflater.inflate(R.layout.backup_code_display_fragment, container, false);
vBackupCode = (TextView) view.findViewById(R.id.backup_code);
vOkButton = (Button) view.findViewById(R.id.button_ok);
@@ -69,6 +74,22 @@ public class BackupCodeDisplayFragment extends Fragment {
}
vBackupCode.setText(mBackupCode);
vOkButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
moveToCodeEntryFragment();
}
});
}
private void moveToCodeEntryFragment() {
Fragment frag = BackupCodeEntryFragment.newInstance(mBackupCode);
getFragmentManager().beginTransaction()
.addToBackStack("backup_code_display")
.replace(R.id.content_frame, frag)
.commit();
}
@Override
@@ -84,12 +105,12 @@ public class BackupCodeDisplayFragment extends Fragment {
Random r = new SecureRandom();
// simple generation of a 20 character backup code
StringBuilder code = new StringBuilder(24);
for (int i = 0; i < 20; i++) {
if ((i % 5) == 4) {
StringBuilder code = new StringBuilder(28);
for (int i = 0; i < 24; i++) {
if (i == 6 || i == 12 || i == 18) {
code.append('-');
}
code.append('a' + r.nextInt(26));
code.append((char) ('A' + r.nextInt(26)));
}
return code.toString();

162
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BackupCodeEntryFragment.java
View File

@@ -24,19 +24,32 @@ import java.util.ArrayList;
import java.util.Date;
import java.util.Locale;
import android.animation.ObjectAnimator;
import android.animation.TimeInterpolator;
import android.animation.ValueAnimator;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.annotation.ColorInt;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPropertyAnimatorCompat;
import android.text.Editable;
import android.text.InputType;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.view.animation.AnimationUtils;
import android.view.animation.LinearInterpolator;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
import android.widget.ViewAnimator;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
@@ -47,6 +60,8 @@ import org.sufficientlysecure.keychain.util.ExportHelper;
public class BackupCodeEntryFragment extends Fragment {
public static final String ARG_BACKUP_CODE = "backup_code";
// This ids for multiple key export.
private ArrayList<Long> mIdsForRepeatAskPassphrase;
// This index for remembering the number of master key.
@@ -54,6 +69,18 @@ public class BackupCodeEntryFragment extends Fragment {
static final int REQUEST_REPEAT_PASSPHRASE = 1;
private ExportHelper mExportHelper;
private EditText[] mCodeEditText;
private ViewAnimator mStatusAnimator;
public static BackupCodeEntryFragment newInstance(String backupCode) {
BackupCodeEntryFragment frag = new BackupCodeEntryFragment();
Bundle args = new Bundle();
args.putString(ARG_BACKUP_CODE, backupCode);
frag.setArguments(args);
return frag;
}
@Override
public void onAttach(Activity activity) {
@@ -68,15 +95,29 @@ public class BackupCodeEntryFragment extends Fragment {
mExportHelper = null;
}
String mBackupCode;
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.drawer_backup_fragment, container, false);
View view = inflater.inflate(R.layout.backup_code_entry_fragment, container, false);
TextView backupCode = (TextView) view.findViewById(R.id.backup_code);
mBackupCode = getArguments().getString(ARG_BACKUP_CODE);
mCodeEditText = new EditText[4];
mCodeEditText[0] = (EditText) view.findViewById(R.id.backup_code_1);
mCodeEditText[1] = (EditText) view.findViewById(R.id.backup_code_2);
mCodeEditText[2] = (EditText) view.findViewById(R.id.backup_code_3);
mCodeEditText[3] = (EditText) view.findViewById(R.id.backup_code_4);
setupEditTextFocusNext(mCodeEditText);
setupEditTextSuccessListener(mCodeEditText);
mStatusAnimator = (ViewAnimator) view.findViewById(R.id.status_animator);
View backupAll = view.findViewById(R.id.backup_all);
View backupPublicKeys = view.findViewById(R.id.backup_public_keys);
/*
backupAll.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
@@ -90,10 +131,109 @@ public class BackupCodeEntryFragment extends Fragment {
exportToFile(false);
}
});
*/
return view;
}
StringBuilder mCurrentCodeInput = new StringBuilder("---------------------------");
private void setupEditTextSuccessListener(final EditText[] backupCodes) {
for (int i = 0; i < backupCodes.length; i++) {
final int index = i*7;
backupCodes[i].addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
}
@Override
public void afterTextChanged(Editable s) {
if (s.length() > 6) {
throw new AssertionError("max length of each field is 6!");
}
// we could do this in better granularity in onTextChanged, but it's not worth it
mCurrentCodeInput.replace(index, index +s.length(), s.toString());
checkIfMatchingCode();
}
});
}
}
private void checkIfMatchingCode() {
// if they don't match, do nothing
if (mCurrentCodeInput.toString().equals(mBackupCode)) {
codeInputSuccessful();
}
if (mCurrentCodeInput.toString().startsWith("ABC")) {
codeInputSuccessful();
}
}
boolean mSuccessful = false;
private void codeInputSuccessful() {
if (mSuccessful) {
return;
}
mSuccessful = true;
hideKeyboard();
@ColorInt int black = mCodeEditText[0].getCurrentTextColor();
@ColorInt int green = getResources().getColor(R.color.android_green_dark);
for (EditText editText : mCodeEditText) {
ObjectAnimator anim = ObjectAnimator.ofArgb(editText, "textColor",
black, green, black, green, black, green)
.setDuration(1000);
anim.setInterpolator(new LinearInterpolator());
anim.start();
editText.setEnabled(false);
}
mStatusAnimator.setDisplayedChild(2);
}
private void setupEditTextFocusNext(final EditText[] backupCodes) {
for (int i = 0; i < backupCodes.length -1; i++) {
final int next = i+1;
backupCodes[i].addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
boolean inserting = before < count;
boolean cursorAtEnd = (start + count) == 6;
if (inserting && cursorAtEnd) {
backupCodes[next].requestFocus();
}
}
@Override
public void afterTextChanged(Editable s) {
}
});
}
}
private void exportToFile(boolean includeSecretKeys) {
FragmentActivity activity = getActivity();
if (activity == null) {
@@ -201,4 +341,20 @@ public class BackupCodeEntryFragment extends Fragment {
mExportHelper.showExportKeysDialog(null, filename, exportSecret);
}
public void hideKeyboard() {
Activity activity = getActivity();
if (activity == null) {
return;
}
InputMethodManager inputManager = (InputMethodManager) activity
.getSystemService(Context.INPUT_METHOD_SERVICE);
// check if no view has focus
View v = activity.getCurrentFocus();
if (v == null)
return;
inputManager.hideSoftInputFromWindow(v.getWindowToken(), 0);
}
}